{"id":252963,"date":"2017-10-18T07:00:17","date_gmt":"2017-10-18T11:00:17","guid":{"rendered":"https:\/\/www.1stdibs.com\/blogs\/the-study\/?p=252963"},"modified":"2021-12-15T07:49:18","modified_gmt":"2021-12-15T12:49:18","slug":"black-diamonds","status":"publish","type":"post","link":"https:\/\/www.1stdibs.com\/blogs\/the-study\/black-diamonds\/","title":{"rendered":"What to Know about Black Diamonds (They\u2019re Not All Cursed)"},"content":{"rendered":"<div id=\"attachment_253233\" style=\"width: 660px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.1stdibs.com\/jewelry\/rings\/cocktail-rings\/alex-soldier-diamond-textured-blackened-gold-swirl-art-ring-one-kind\/id-j_4615903\/\"><img decoding=\"async\" aria-describedby=\"caption-attachment-253233\" class=\"wp-image-253233\" src=\"https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/2995733_l.jpg\" alt=\"black diamond ring\" width=\"650\" height=\"650\" srcset=\"https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/2995733_l.jpg 768w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/2995733_l-350x350.jpg 350w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/2995733_l-120x120.jpg 120w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/2995733_l-300x300.jpg 300w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/2995733_l-216x216.jpg 216w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/a><p id=\"caption-attachment-253233\" class=\"wp-caption-text\"><a href=\"https:\/\/www.1stdibs.com\/jewelry\/rings\/cocktail-rings\/alex-soldier-diamond-textured-blackened-gold-swirl-art-ring-one-kind\/id-j_4615903\/\">Alex Soldier black diamond swirl art ring<\/a><\/p><\/div>\n<p><a href=\"https:\/\/www.1stdibs.com\/jewelry\/stone\/black-diamond\/\">Black diamonds<\/a> seem especially appropriate around Halloween, that most spooky day of the year, but there&#8217;s really never a time when the gem <em>isn&#8217;t <\/em>fashionable. In fact, some women prefer black diamonds over other diamonds. While black diamonds may have entered our public lexicon when Mr. Big presented Carrie Bradshaw with a <a href=\"https:\/\/www.1stdibs.com\/jewelry\/rings\/engagement-rings\/stone\/black-diamond\/\">black diamond engagement ring<\/a> in <em>Sex and the City 2 <\/em>(&#8220;because you&#8217;re not like anyone else,&#8221; he told her), jewelry aficionados have known about this fancy colored gemstone for centuries.<\/p>\n<div id=\"attachment_253203\" style=\"width: 660px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.1stdibs.com\/jewelry\/earrings\/dangle-earrings\/black-white-diamond-tassel-earrings\/id-j_3255623\/\"><img decoding=\"async\" aria-describedby=\"caption-attachment-253203\" class=\"wp-image-253203\" src=\"https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/3255623_master.jpg\" alt=\"black and white diamond tassel earrings\" width=\"650\" height=\"650\" srcset=\"https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/3255623_master.jpg 768w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/3255623_master-350x350.jpg 350w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/3255623_master-120x120.jpg 120w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/3255623_master-300x300.jpg 300w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/3255623_master-216x216.jpg 216w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/a><p id=\"caption-attachment-253203\" class=\"wp-caption-text\"><a href=\"https:\/\/www.1stdibs.com\/jewelry\/earrings\/dangle-earrings\/black-white-diamond-tassel-earrings\/id-j_3255623\/\">Black and white diamond tassel earrings<\/a><\/p><\/div>\n<h2>Chemical Composition<\/h2>\n<p>The gemological name for a black diamond is carbonado. Like all diamonds, carbonados are very hard and rank a 10 on the Moh\u2019s Scale. But unlike white diamonds, carbonados consist of multiple fractures so, while hard, they&#8217;re a bit more unstable in their composition. These black opaque stones are an impure form of polycrystalline diamonds.<\/p>\n<p>The inky color comes from a combination of graphite, pyrite and hematite inclusions. A porous stone, carbonado allows the inclusions to hide in its crevices. In fact, the actual color of the stone may not be black at all but more of a colorless to a brown hue. However, the impurities make it darker. Extensive research still needs to be conducted to trace the origin of the stones. We do know that the inclusions make it difficult to shape the stone, you will rarely see a cabochon-cut black diamond.<\/p>\n<div id=\"attachment_253223\" style=\"width: 660px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.1stdibs.com\/jewelry\/bracelets\/cuff-bracelets\/salavetti-pave-diamond-gold-bangle-bracelet\/id-j_581722\/\"><img decoding=\"async\" aria-describedby=\"caption-attachment-253223\" class=\"wp-image-253223\" src=\"https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/53982w_l.jpg\" alt=\"black chocolate and white diamond bracelet\" width=\"650\" height=\"650\" srcset=\"https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/53982w_l.jpg 1280w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/53982w_l-350x350.jpg 350w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/53982w_l-950x950.jpg 950w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/53982w_l-120x120.jpg 120w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/53982w_l-768x768.jpg 768w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/53982w_l-300x300.jpg 300w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/53982w_l-933x933.jpg 933w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/53982w_l-216x216.jpg 216w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/a><p id=\"caption-attachment-253223\" class=\"wp-caption-text\"><a href=\"https:\/\/www.1stdibs.com\/jewelry\/bracelets\/cuff-bracelets\/salavetti-pave-diamond-gold-bangle-bracelet\/id-j_581722\/\">Salavetti pave diamond and gold bangle bracelet<\/a><\/p><\/div>\n<p>Usually a black diamond is faceted and either used as an accent or, if it is a solitaire, then it has been treated by a combination of high heat and low pressure to bring out its opaque black color. While they may look exotic, black diamonds are less expensive than white diamonds and are not held to the same standards \u2014 in other words, the <a href=\"https:\/\/www.1stdibs.com\/blogs\/the-study\/4-cs-grading-diamonds\/\">4Cs diamond grading system<\/a> will not apply.<\/p>\n<p>Black diamonds fall into the \u201cfancy diamond\u201d or more specifically, \u201cfancy black\u201d category. These gemstones are appreciated for their unusual color and appearance instead. In their natural state, they resemble something that fell out of the sky, or emerged from the Earth\u2019s core. Carbonados are most often found either in Brazil or in Central Africa.<\/p>\n<div id=\"attachment_253763\" style=\"width: 690px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.1stdibs.com\/jewelry\/rings\/cocktail-rings\/black-diamond-gold-bear-claw-ring-bear-brooksbank\/id-j_2421133\/\"><img decoding=\"async\" aria-describedby=\"caption-attachment-253763\" class=\"wp-image-253763\" src=\"https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/2421133_l.jpg\" alt=\"Bear Brooksbank black diamond and gold Bear Claw ring\" width=\"680\" height=\"680\" srcset=\"https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/2421133_l.jpg 768w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/2421133_l-350x350.jpg 350w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/2421133_l-120x120.jpg 120w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/2421133_l-300x300.jpg 300w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/2421133_l-216x216.jpg 216w\" sizes=\"(max-width: 680px) 100vw, 680px\" \/><\/a><p id=\"caption-attachment-253763\" class=\"wp-caption-text\"><a href=\"https:\/\/www.1stdibs.com\/jewelry\/rings\/cocktail-rings\/black-diamond-gold-bear-claw-ring-bear-brooksbank\/id-j_2421133\/\">Bear Brooksbank black diamond and gold Bear Claw ring<\/a><\/p><\/div>\n<h2>Historical Origins<\/h2>\n<p>The most common use of black diamonds is in jewelry, but they are also one of three types of \u201cindustrial diamonds\u201d (along with ballas and bort) that are used for various industrial purposes, like cutting tools. Though rare, black diamonds hold a prominent place in history. The two most famous examples are the Black Star of Africa, which weighs 202 carats, and the <a href=\"https:\/\/www.gemselect.com\/other-info\/black-orlov-diamond.php\">Black Orlov, also known as the Eye of Brahma Diamond<\/a>, which weighs 67.5 carats.<\/p>\n<p>The Orlov is worthy of its own mystery novel. Originally, this stone was mounted in the eye of a statue dedicated to the Hindu god Brahma in Pondicherry, India, until it was stolen by a monk. The stone is considered cursed, and previous owners have met untimely deaths. It has since been recut into three separate gems, and the curse seems to have been broken.<\/p>\n<div id=\"attachment_253813\" style=\"width: 690px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.1stdibs.com\/jewelry\/cufflinks\/cufflinks\/akillis-bang-bang-cufflinks-18-karat-white-gold-black-diamonds\/id-j_3294353\/\"><img decoding=\"async\" aria-describedby=\"caption-attachment-253813\" class=\"wp-image-253813\" src=\"https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/04_03_01_07_master.jpg\" alt=\"Akillis Bang Bang cufflinks\" width=\"680\" height=\"680\" srcset=\"https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/04_03_01_07_master.jpg 768w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/04_03_01_07_master-350x350.jpg 350w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/04_03_01_07_master-120x120.jpg 120w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/04_03_01_07_master-300x300.jpg 300w, https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/04_03_01_07_master-216x216.jpg 216w\" sizes=\"(max-width: 680px) 100vw, 680px\" \/><\/a><p id=\"caption-attachment-253813\" class=\"wp-caption-text\"><a href=\"https:\/\/www.1stdibs.com\/jewelry\/cufflinks\/cufflinks\/akillis-bang-bang-cufflinks-18-karat-white-gold-black-diamonds\/id-j_3294353\/\">Akillis Bang Bang cufflinks<\/a><\/p><\/div>\n<p>Recently, a black diamond known as the <a href=\"http:\/\/hauteliving.com\/2007\/12\/black-ice-2\/1840\/\">Korloff Noir<\/a>, originally 421 carats before it was cut and polished down to 88 carats, was shown at the international diamond shows and is being praised as the largest black diamond on the market today.<\/p>\n<p>This stone was found in Siberia in 1917 and belonged to the royal Russian family Korloff-Sapojnikof. Finally the Spirit of de Grisogono, named after the company and the gem cutter, weighed 587 carats when it was found in Central Africa. After it was cut and polished, it weighed 312.24 carats.<\/p>\n<p style=\"text-align: center;\">\t<div class=\"interstitial-banner interstitial-banner-collection interstitial-container\">\n\t\t<div class=\"interstitial-content\">\n\t\t\t<div class=\"interstitial-background-image\">\n\t\t\t\t<img decoding=\"async\" width=\"624\" height=\"300\" src=\"https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/06_02_01_07_master-624x300.jpg\" class=\"attachment-interstitial size-interstitial\" alt=\"\" \/>\t\t\t<\/div>\n\t\t\t<div class=\"container interstitial-text\">\n\t\t\t\t<a class=\"interstitial-link-around-text\" href=\"https:\/\/www.1stdibs.com\/jewelry\/stone\/black-diamond\/\" target=\"_blank\" rel=\"noopener\">\n\t\t\t\t\t<div class=\"interstitial-heading\">\n\t\t\t\t\t\tShop Black Diamonds\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"interstitial-subheading\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<a class=\"gold-button\" href=\"https:\/\/www.1stdibs.com\/jewelry\/stone\/black-diamond\/\" target=\"_blank\" rel=\"noopener\">\n\t\t\t\t\t<span>View All<\/span>\n\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Black diamonds seem especially appropriate around Halloween, that most spooky day of the year, but there&#8217;s really never a time when the gem isn&#8217;t fashionable. In fact, some women prefer black diamonds over other diamonds. While black diamonds may have entered our public lexicon when Mr. Big presented Carrie Bradshaw with a black diamond engagement [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":253763,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"apple_news_api_created_at":"","apple_news_api_id":"","apple_news_api_modified_at":"","apple_news_api_revision":"","apple_news_api_share_url":"","apple_news_cover_media_provider":"image","apple_news_coverimage":0,"apple_news_coverimage_caption":"","apple_news_cover_video_id":0,"apple_news_cover_video_url":"","apple_news_cover_embedwebvideo_url":"","apple_news_is_hidden":"","apple_news_is_paid":"","apple_news_is_preview":"","apple_news_is_sponsored":"","apple_news_maturity_rating":"","apple_news_metadata":"\"\"","apple_news_pullquote":"","apple_news_pullquote_position":"","apple_news_slug":"","apple_news_sections":[],"apple_news_suppress_video_url":false,"apple_news_use_image_component":false,"footnotes":""},"categories":[15523143],"tags":[15532433,12799173,15534963,15534983,15534993,15535113,15535003,134,15535123,15535053,8332323,4476543,9772253,15535033,15535043,11463453,15535133,15535143,15535013,8332343,15525613,15535023],"dibs-categories":[15565903],"dibs-designs":[],"dibs-styles":[],"dibs-creators":[],"dibs-sellers":[],"class_list":["post-252963","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jewelry-2","tag-4cs","tag-black","tag-black-diamond","tag-black-diamond-engagement-ring","tag-black-diamonds","tag-black-star-of-africa","tag-carbonado","tag-diamond","tag-eye-of-brahma-diamond","tag-fancy-diamond","tag-gem","tag-gemstone","tag-gia","tag-graphite","tag-hematite","tag-jewel","tag-korloff-black-diamond","tag-korloff-sapojnikof","tag-mohs-scale","tag-precious-gem","tag-pyrite","tag-white-diamonds","dibs-categories-dibs-j"],"acf":{"post_format":"article","subtitle":"This mysterious gem isn't for everyone, and that's part of the appeal.","interstitial_banners":[{"acf_fc_layout":"collection","interstitial_banner_shortcode":"black_diamonds","interstitial_banner_background_image":253783,"interstitial_banner_heading":"Shop Black Diamonds","interstitial_banner_subheading":"","interstitial_banner_button_text":"View All","interstitial_banner_button_url":"https:\/\/www.1stdibs.com\/jewelry\/stone\/black-diamond\/"}],"slideshows":false,"show_date":true,"show_related_items_footer_popup":false,"contributors":{"hide_byline":false,"columnist":[{"ID":361858,"post_author":"1","post_date":"2021-12-14 22:36:15","post_date_gmt":"2021-12-15 03:36:15","post_content":"","post_title":"1stDibs Editors","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"1stdibs-editors","to_ping":"","pinged":"","post_modified":"2021-12-14 22:36:15","post_modified_gmt":"2021-12-15 03:36:15","post_content_filtered":"","post_parent":0,"guid":"https:\/\/www.1stdibs.com\/blogs\/the-study\/contributors\/1stdibs-editors\/","menu_order":0,"post_type":"contributors","post_mime_type":"","comment_count":"0","filter":"raw"}],"photographer":"","custom_byline":false}},"dibs_designs_tags":null,"dibs_sellers_tags":null,"dibs_creators_tags":null,"dibs_styles_tags":null,"dibs_categories_tags":["dibs-j"],"featured_image_url":"https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/2421133_l-640x450.jpg","post_title":"What to Know about Black Diamonds (They\u2019re Not All Cursed)","fimg_url":{"thumbnail":{"source_url":"https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/2421133_l-120x120.jpg","width":120,"height":120},"medium":{"source_url":"https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/2421133_l-350x350.jpg","width":350,"height":350},"full":{"source_url":"https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/2421133_l.jpg","width":768,"height":768}},"jetpack_featured_media_url":"https:\/\/www.1stdibs.com\/blogs\/the-study\/wp-content\/uploads\/2421133_l.jpg","apple_news_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What to Know about Black Diamonds (They\u2019re Not All Cursed) | The Study<\/title>\n<meta name=\"description\" content=\"This mysterious gem isn&#039;t for everyone, and that&#039;s part of the appeal.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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